Question

A body of mass $0.1\, kg$ attains a velocity of $10\,ms^{-1}$ in $0.1 \,s.$ The force acting on the body is :

• A. 10 N
• B. 0.01 N
• C. 0.1 N
• D. 100 N

Answer 1

Answer: (A)

10 N

Answer 2

$F=ma=m\times \frac{\Delta v}{\Delta t}$ $=0.1\times \frac{10}{0.1}=10\,\,N$